// body{
//     background-color: SKYBLUE;
// }
.courdescription_header{
    width: 100%;
    height: 300px;
 
    position: relative;
    video{
        width: 100%;
        height: 100%;
    background-color: black;
    };
    div{
    position: absolute;
    top: 10px;
    left: 15px;
    color:white;  
    font-weight: bold;
    font-size: 25px;
    
    // font-family: sisong!important;  
    
    }
    .playcourse{
        position: absolute;
        color: white;
        position: absolute;
        left: 50%;
        top: 50%;
        transform: translate(-50%,-50%);
        font-size: 50px;
    }
 
}
//这是课程训练下面区域的开始
.courdescription_bottom{
    padding: 20px 15px;
    .coursexunlian_header{
        
        border-bottom: 2px solid rgba(187, 187, 187, 100) ;
        .coursexunlian_header_p1{
            margin: 15px 0px;
            .span1,.span3{
                color: rgba(16, 16, 16, 100);
                   font-size: 20px;
            }
            .span3{
                margin-left: 15px;
            }
            .span2,.span4{
                color: rgba(138, 138, 138, 100);
                font-size: 14px;
            }
            .span5{
                margin-left: 100px;
                color: rgba(138, 138, 138, 100);
                font-size: 14px;
            }
        }
    }
    .footer{
        height: 55px;
        background-color: #4294FF;
        border-radius:27px;
        text-align: center;
        line-height: 55px;
        color: rgba(255, 255, 255, 100);
         font-size: 18px;
    }
}
.user-info{
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    .ul1{
        width: 100%;
        display:flex;
        margin-top: 30px;
        margin-bottom: 30px;
        .li1{
            border-right: 1px dotted rgba(187, 187, 187, 100);
        }
        .li2{
            margin-left: 15px;
        }
        li{
            flex: 1;
            
            color:rgba(16, 16, 16, 100) ;
            text-align: left;
            .p_icons1,.p_icons2{
                margin-top: 10px;
                color: rgba(138, 138, 138, 100);
          font-size: 14px;
            }
           .iconfont{
               font-size: 26px;
               vertical-align: middle;
           }
        }
    }
 .info2{
    color: rgba(138, 138, 138, 100);
    font-size: 16px;
    margin-top: 20px;
    span{
        font-size: 15px;
        color: #000;
        font-weight: bold;
    }
 }

.attention{
    width: 80px;
   margin-left: 40px;
    height: 35px;
    line-height: 35px;
    border-radius: 23px;
    background-color: rgba(66, 148, 255, 100);
    color: rgba(249, 249, 249, 100);
    font-size: 14px;
    text-align: center;
}
    
  .portrait{
      width: 80px;
      height: 80px;
     background-color: gray;
      border-radius: 50%;
//     .p1{
//         color: rgba(16, 16, 16, 100);
// font-size: 18px;
//     }
  }
  .info_font{
      margin-left: 15px;

      .p1{
        color: rgba(16, 16, 16, 100);
         font-size: 18px;
        font-weight: bold;
      }
   .p2{
       margin-top: 8px;
    color: rgba(138, 138, 138, 100);
    font-size: 14px;
   }

  } 
 
}